NA or Turbo

Information on the naturally-aspirated KA24E and KA24DE engines.
specbks
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Hey guys, ive been reading this forum for a long time and finally decided to register. this winter spring i am buying a s13 or s14 240sx. my main problem comes in with whether or not i should turbo it or build it breathing the good old normal atmosphere. i live in northiern michigan and will be attending college here. part of the year will obviously be snow, will the turbo disagree with me on that? it will be used in winter for maybe 2-4 years before it will be a summer only car. what figures could i expect w/o the turbo, i was hoping maybe around 200-225.any help is appreciated, thankschris


soilwork240sx
Posts: 130
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hey man search this has been discussed millions of times. also, you cant get much na hp out of the ka, and just isnt worth the money. spend the extra cash and turbocharge it.

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95_240sx
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I dont know about that, theres a NA Altima around here that runs 13.5's all day long, and thats a FWD car, i just dont think that anyone has ever built a bad *** KA NA car.

But, in the end, turbos are the best.

Rick

specbks
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i did search, my main question is if the cold, very cold winters will screw with the turbo or not?

nikn
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dunno... but make sure u get a turbo timer. I think it would be important in cold weather because it will let the turbo cool down progressively.

iNfamous240
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no, it will not mess with the turbo. I think that it would help your performance a lot instead of hurting it.

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JustinStrife
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Don't most performance cars handle better in cooler temperature areas?? I know in So. Cali we take a hit with some cars cause of the heat and sea level area.

SloS13
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NA cars like cold weather. Turbo cars love cold weather. They follow cold weather home and watch it undress through the window blinds. Then one day a neighbor notices, calls the cops. Next thing you know your turbo car is a registered sex offender. I think im getting off topic. short answer:yes

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JustinStrife
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Whoo hoo! I can be taught. :)

cosmo
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SloS13 wrote:NA cars like cold weather. Turbo cars love cold weather. They follow cold weather home and watch it undress through the window blinds. Then one day a neighbor notices, calls the cops. Next thing you know your turbo car is a registered sex offender. I think im getting off topic. short answer:yes


hilarious:ylsuper

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Turb0wned
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turbo it! forget N/A

cwc2k1
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turbo, and build the ka if possible

toki
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go SR.

^the answer to everything.

andrave
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toki, shut the **** up.slos13 that was ****ing hilarious. Keep up the good work.The dude in this post:NA sucks, you will waste lots of money and you aren't going to get any power unless you waste LOTS of money. And for that much money you could have a real monster of a turbo engine with wastegate blatting and bov psshhhing and big massive intercooler gaping out the front...thats not subtle.

cwc2k1
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I don't know about that. I would say that neither an sr swap or turbo'd ka is easy, but the turbo'd ka is easier (installation/tuning) than swapping in a motor. I plan on building a kat mostly because it's my daily driver and parts availability will be important for me. I can't afford to sit around for a couple weeks while some little part comes in that keeps me from having transportation because I have a jdm motor. Now I am new, I admit this, so if that is inaccurate then please be all means politely correct me. It just seems to me that you would be paying more and waiting a while for something small on an sr if it broke as opposed to running to the local parts store for something for the ka.

cwc2k1
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Now this is also given that your car is your daily driver, if it's not and waiting on parts isn't a big deal and if you think you can get some good help with the swap, go sr.

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JustinStrife
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This is why I've finally decided on the KA24 route. I originally wanted to go CA18, then switched over to RB25 idea... After much deliberating and soul searching, I decided I wanted an engine that I could find parts for fairly easily and quickly, and the KA fit the bill. The only thing I gotta do now is get rid of my 90' and pick up an early 95' SE :)

cosmo
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toki wrote:go SR.

^the answer to everything.


According to Ricky Chu

p.s. I hate RC

specbks
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just got back on the forum, thanks for all the help. another question: build by own for the ka or go with one from maybe nsport? price is an issue cause of college and all, but simplicity liek tuning and install is a big factor. i'd like to keep cost of car&turbo and everything under lets say 6000 greens.

specbks
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id love the big 6 out of a r33 but dont want to go through the price of it!!then i thougth sr but now im thinking stay with the ka for the torque. how much can the bottom of the ka hold before i need to build it, maybe 275, thats what id like eventually

cwc2k1
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from what i've around around 350, although I'm not completely sure if that's accurate

TurboKA37
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the KA should be plenty strong over 300 whp if tuned correctly. theres not really a set number as to when they need to be rebuilt but if you only want 275 rwhp there is no need to rebuild.

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JustinStrife
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I'm wanting to hit around 400rwhp so a rebuild plus a few other items will need to be in order...

Now if I had decided to go the RB25DET route.. Then I wouldn't need so many things. ;)

But where's the fun in that?

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deviousKA
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im sure ill get some opposite remarks

I like race cars, cars made to race on tracks

RACECARS DONT HAVE TURBOS

want to have the edge in a track situation? Build your car n/a

want to go fast driving your car daily? Go turbo!

andrave
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racecars run what the rules for the class that they race in dictate that they run. If the rules allow for a turbo, damn near every racer is gonna be running one. And as for the racecars don't run turbos thing, I don't know what the hell you are smoking... lets see, indy cars ran HUGE turbos until they were banned. WRC runs turbos. Just about every class of import racer that calls for a single power adder runs turbos. The quick domestics run turbos, unless their rules dictate otherwise OR they are incredibly fast cars that use those 4000 hp blown big blocks. speedvision's races with audi's in em have turbos... NASCAR's rules don't allow for turbos. Is there any class anyone can think of where turbos are allowed and not used?damn near every drift car runs a turbo, if you consider that racing... so we have a pretty good variety there.... straight line, sideways, road course grip, and offroad... what kind of racing have you been doing?

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WDRacing
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Race cars don't have turbo's...lmao. What world is this in?? From drag to road course to D1 they all use turbo's.

Here's the Short and Skinny, Forced Induction WILL always make more power then NA...no ifs about it.

WD

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JustinStrife
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andrave wrote:racecars run what the rules for the class that they race in dictate that they run. If the rules allow for a turbo, damn near every racer is gonna be running one. And as for the racecars don't run turbos thing, I don't know what the hell you are smoking... lets see, indy cars ran HUGE turbos until they were banned. WRC runs turbos. Just about every class of import racer that calls for a single power adder runs turbos. The quick domestics run turbos, unless their rules dictate otherwise OR they are incredibly fast cars that use those 4000 hp blown big blocks. speedvision's races with audi's in em have turbos... NASCAR's rules don't allow for turbos. Is there any class anyone can think of where turbos are allowed and not used?damn near every drift car runs a turbo, if you consider that racing... so we have a pretty good variety there.... straight line, sideways, road course grip, and offroad... what kind of racing have you been doing?


Racing to his mommy? :ylsuper

specbks
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Joined: Sat Nov 08, 2003 8:29 pm

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should i go with a realnissan, nsport, xs engineering, or another kit? any way you guys can see of me dropping the price on any of these kits. i dont want o go thru all the fabing of ic piping otherwise i would do it my self.

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aleph1
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Some, if not most F1 cars ran turbo....somthing like 50-70psi on a like 1.5l six cylinder...makes about 1000hp.

damn, I just read andraves post, he mentions this already...

Not EVERY drift car runs turbo, almost all 86s dont. Thats a lot of drift cars. Not to mention Katsuhiro Ueo won first place at D1 this year (and last I believe) and he drives an 86 with like 200hp or so...I forgot...

SloS13
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specbks wrote: i dont want o go thru all the fabing of ic piping otherwise i would do it my self.


Any muffler shop can hook you up with IC piping. Don't let that be your deciding factor. Its really not that big of a deal. Of course piping that comes with a kit is bling bling and everything, but if thats not too important to you, go custom


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